bootstrap fails on Slackware Linux 10.2 with:

gcc -I.. -I..//usr/pkgsrc/bootstrap/work/bmake -I/usr/pkgsrc/bootstrap/work/bmake -I. -I/usr/pkgsrc/bootstrap/work/bmake -DHAVE_CONFIG_H  -I../../libnbcompat -I/usr/pkgsrc/bootstrap/work/bmake/missing -DNEED_HOST_CDEFS_H -D_PATH_DEFSYSPATH="/usr/pkg/share/mk:/usr/share/mk:/usr/local/share/mk:/opt/share/mk"   -I../../libnbcompat  -c -o lstForEachFrom.o /usr/pkgsrc/bootstrap/work/bmake/lst.lib/lstForEachFrom.c
gcc -I.. -I..//usr/pkgsrc/bootstrap/work/bmake -I/usr/pkgsrc/bootstrap/work/bmake -I. -I/usr/pkgsrc/bootstrap/work/bmake -DHAVE_CONFIG_H  -I../../libnbcompat -I/usr/pkgsrc/bootstrap/work/bmake/missing -DNEED_HOST_CDEFS_H -D_PATH_DEFSYSPATH="/usr/pkg/share/mk:/usr/share/mk:/usr/local/share/mk:/opt/share/mk"   -I../../libnbcompat  -c -o lstDestroy.o /usr/pkgsrc/bootstrap/work/bmake/lst.lib/lstDestroy.c
gcc -I.. -I..//usr/pkgsrc/bootstrap/work/bmake -I/usr/pkgsrc/bootstrap/work/bmake -I. -I/usr/pkgsrc/bootstrap/work/bmake -DHAVE_CONFIG_H  -I../../libnbcompat -I/usr/pkgsrc/bootstrap/work/bmake/missing -DNEED_HOST_CDEFS_H -D_PATH_DEFSYSPATH="/usr/pkg/share/mk:/usr/share/mk:/usr/local/share/mk:/opt/share/mk"   -I../../libnbcompat  -c -o lstNext.o /usr/pkgsrc/bootstrap/work/bmake/lst.lib/lstNext.c
make[1]: Leaving directory `/usr/pkgsrc/bootstrap/work/bmake/Linux/lst.lib'
gcc *.o lst.lib/*.o -o bmake.boot  -L../../libnbcompat -lnbcompat
rm -f *.[ado] */*.[ado]
CC="gcc" MAKEFLAGS= MAKESYSPATH=`pwd`/mk:mk:/usr/pkg/share/mk:/usr/share/mk:/usr/local/share/mk:/opt/share/mk ./bmake.boot -f Makefile
gcc  -pipe -march=athlon-xp  -Werror   -I../../libnbcompat -c /usr/pkgsrc/bootstrap/work/bmake/arch.c
/usr/pkgsrc/bootstrap/work/bmake/arch.c: In function `ArchStatMember':
/usr/pkgsrc/bootstrap/work/bmake/arch.c:562: error: `SARMAG' undeclared (first use in this function)
/usr/pkgsrc/bootstrap/work/bmake/arch.c:562: error: (Each undeclared identifier is reported only once
/usr/pkgsrc/bootstrap/work/bmake/arch.c:562: error: for each function it appears in.)
/usr/pkgsrc/bootstrap/work/bmake/arch.c:566: error: storage size of `arh' isn't known
/usr/pkgsrc/bootstrap/work/bmake/arch.c:613: error: storage size of `sarh' isn't known
/usr/pkgsrc/bootstrap/work/bmake/arch.c:639: error: `ARMAG' undeclared (first use in this function)
/usr/pkgsrc/bootstrap/work/bmake/arch.c:651: error: invalid application of `sizeof' to an incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:652: error: `ARFMAG' undeclared (first use in this function)
/usr/pkgsrc/bootstrap/work/bmake/arch.c:720: error: invalid application of `sizeof' to an incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:721: error: invalid application of `sizeof' to an incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:613: error: storage size of `sarh' isn't known
/usr/pkgsrc/bootstrap/work/bmake/arch.c: In function `ArchFindMember':
/usr/pkgsrc/bootstrap/work/bmake/arch.c:884: error: `SARMAG' undeclared (first use in this function)
/usr/pkgsrc/bootstrap/work/bmake/arch.c:897: error: `ARMAG' undeclared (first use in this function)
/usr/pkgsrc/bootstrap/work/bmake/arch.c:913: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:914: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:917: error: invalid application of `sizeof' to an incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:918: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:918: error: `ARFMAG' undeclared (first use in this function)
/usr/pkgsrc/bootstrap/work/bmake/arch.c:918: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:925: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:933: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:933: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:943: error: invalid application of `sizeof' to an incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:989: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:989: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c:990: error: dereferencing pointer to incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c: In function `Arch_Touch':
/usr/pkgsrc/bootstrap/work/bmake/arch.c:1025: error: storage size of `arh' isn't known
/usr/pkgsrc/bootstrap/work/bmake/arch.c:1038: error: invalid application of `sizeof' to an incomplete type
/usr/pkgsrc/bootstrap/work/bmake/arch.c: In function `Arch_MTime':
/usr/pkgsrc/bootstrap/work/bmake/arch.c:1119: error: dereferencing pointer to incomplete type
*** Error code 1

Stop.
bmake.boot: stopped in /usr/pkgsrc/bootstrap/work/bmake/Linux
make: *** [bootstrap] Error 1
===> exited with status 1
aborted.


   -- Sebastian Prause